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  2. List of Unicode characters - Wikipedia

    en.wikipedia.org/wiki/List_of_Unicode_characters

    The format is the same as for any entity reference: &name; where name is the case-sensitive name of the entity. The semicolon is required. Because numbers are harder for humans to remember than names, character entity references are most often written by humans, while numeric character references are most often produced by computer programs. [1]

  3. Mathematical operators and symbols in Unicode - Wikipedia

    en.wikipedia.org/wiki/Mathematical_operators_and...

    The Miscellaneous Mathematical Symbols-B block (U+2980–U+29FF) contains miscellaneous mathematical symbols, including brackets, angles, and circle symbols. Miscellaneous Mathematical Symbols-B [1] Official Unicode Consortium code chart (PDF)

  4. Abscissa and ordinate - Wikipedia

    en.wikipedia.org/wiki/Abscissa_and_ordinate

    More technically, the abscissa of a point is the signed measure of its projection on the primary axis. Its absolute value is the distance between the projection and the origin of the axis, and its sign is given by the location on the projection relative to the origin (before: negative; after: positive). Similarly, the ordinate of a point is the ...

  5. Check sheet - Wikipedia

    en.wikipedia.org/wiki/Check_sheet

    One or more symbols to represent the different types of defects to be recorded—these symbols take the place of the check marks of the other types of charts. Note that the defect categories and how process outputs are to be placed into these categories must be agreed to and spelled out in advance of constructing the check sheet.

  6. Data and information visualization - Wikipedia

    en.wikipedia.org/wiki/Data_and_information...

    Variable-width bar chart relating: · population (along x axis), · per-person emissions 1990-2018 (along y axis), and · total emissions (area as x*y product of values) Variable-width ("variwide") bar chart. category (size/count/extent in first dimension) size/count/extent in second dimension; size/count/extent as area of bar; color

  7. Mathematical Alphanumeric Symbols - Wikipedia

    en.wikipedia.org/wiki/Mathematical_Alphanumeric...

    The styled characters are mostly located in the Mathematical Alphanumeric Symbols block, but the 24 characters in cells with a pink background are located in the letterlike symbols block, for example, ℛ (script capital r) is at U+211B rather than the expected U+1D4AD which is reserved.

  8. Symbolic Link (SYLK) - Wikipedia

    en.wikipedia.org/wiki/SYmbolic_LinK_(SYLK)

    one of the following 1-character formatting codes: D default C continuous cross-cell display E scientific exponentiation F fixed decimal point G general format $ leading $ and 2 decimal points * bar graph, one asterisk per unit (5 would be *****) n the number of digits. c2 one of the following 1-character alignment codes: D default C center G

  9. Stem-and-leaf display - Wikipedia

    en.wikipedia.org/wiki/Stem-and-leaf_display

    A stem-and-leaf plot of prime numbers under 100 shows that the most frequent tens digits are 0 and 1 while the least is 9. A stem-and-leaf display or stem-and-leaf plot is a device for presenting quantitative data in a graphical format, similar to a histogram, to assist in visualizing the shape of a distribution.